Publications : David BaeldeBack
David Baelde, Pierre Courtieu, David Gross-Amblard, and Christine
Towards Provably Robust Watermarking.
In ITP 2012, volume 7406 of Lecture Notes in Computer
Science, August 2012.
[ bib |
full text on HAL |
Watermarking techniques are used to help identifying copies of publicly released information. They consist in applying a slight and secret modification to the data before its release, in a way that should be robust, ie., remain recognizable even in (reasonably) modified copies of the data. In this paper, we present new results about the robustness of watermarking schemes against arbitrary attackers, and the formalization of those results in Coq. We used the ALEA library, which formalizes probability theory and models probabilistic programs using a simple monadic translation. This work illustrates the strengths and particularities of the induced style of reasoning about probabilistic programs. Our technique for proving robustness is adapted from methods commonly used for cryptographic protocols, and we discuss its relevance to the field of watermarking.
Keywords: watermarking, probabilistic algorithms, formal proofs, security, interactive theorem proving
|||David Baelde, Romain Beauxis, and Samuel Mimram. Liquidsoap: A high-level programming language for multimedia streaming. In Ivana Cerná, Tibor Gyimóthy, Juraj Hromkovic, Keith G. Jeffery, Rastislav Královic, Marko Vukolic, and Stefan Wolf, editors, 37th Conference on Current Trends in Theory and Practice of Computer Science (SOFSEM'11), volume 6543 of Lecture Notes in Computer Science, Nový Smokovec, Slovakia, January 2011. Springer. [ bib ]|
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